These Projects May Get Us To Space As Easily As We Cross Oceans - Will We Be Ready?
Tuesday, May 13, 2014 - 16:20
in Astronomy & Space
Elon Musk's ideas are in the news right now, rockets with first stages that fly back to a soft landing under auto pilot. But you might be surprised to learn how many other ideas there are under active development, for low cost ways to get into orbit. read more